Question about Bosch 11236VS Rotary Hammer

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  • Dean
    Dean May 11, 2010

    what type of drill bit(s) are you using? What shank do they have?



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There should be no need to pull the chuck back while inserting a bit. simply apply consistent pressure to bit while slowly turning it in the chuck. if the unit has been maintained, the bit will eventually line up with the chuck and slide in an additional 1/2" or so - locking into place. the chuck only needs to be pulled back to release bits.

Posted on Aug 08, 2009

  • gwoodworker Aug 08, 2009

    btw: this drill uses the "SDS Plus" drill bit interface. If you are using the wrong style of bit, you can damage the chuck...

    SDS Plus bits are manufactures by several different companies. My experience tells me Dewalt manufactures a weak bit, prone to premature failure - Bosh bits are very reliable - but the Hilti bits last the longest.


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Try pulling the chuck back at the same time turning the bit while installing it should drop into place release the chuck,then make sure the lever just in front of the trigger is switched over to the rite side to use the hammer action.hope this helps

Posted on Jul 29, 2009


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1 Answer

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Never have used a keyless chuck b4- need to change bit, how do I do this? thanks

hi this should be reletively easy hold the end black bit with the sivler bit holde coming out not the black bit next to the yellow case on drill you hold the black part thats at end of drill by where the bit goes into not the black bit near the trigger hope i explain this ok.
Hold this bit tight then put drill in reverse then press trigger a couple of times it might be tight but shouldnt be that tight it wont undo.
1 put in reverse
2 hold black plastic piece near where drill bit goes into
3 press trigger few times
4 this should undo it allowing you to put a bit in
make sure its in reverse else you will just tighten it up more let me know if you need further assistance ok

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